The Retro 1951 beautiful gloss white luminescent lacquer finish. Activate the rollerball in with light and watch it glow with a blue luminescence in the dark.
The great thing about Reto is you can convert them from a rollerball to a ballpoint using Parker-style ballpoint refills or you can use refill with another rollerball short capless Schmidt refill in this pen. whatever your writing style Retro 51 has you covered.
These are available for free customized engraving. See picture for font choices.